%0 Journal Article
%T CORANTES: AS CORES E O SEU FASC¨ªNIO NA SOCIEDADE
%A Eduardo Goldani
%J Peri¨®dico Tch¨º Qu¨ªmica
%D 2005
%I Grupo Tch¨º Qu¨ªmica
%X Color plays an essential role in our lives, but goes unnoticed most of the time. Most people have the ability to notice colors and ever since the criation of civilization man has been trying to reproduce the colors of nature for functional purposes as well as merely for looks. Dyes are materials normaly applied to solution and adhere themselves to a substract that can be fabric, paper, hair, leather and other materials. Idealy, dyes should be stable to light and to cleaning precesses and should also present uniform adherence to fiber throughout the substract. In other words dyes are determined organic compounds that aside from having the capacity of seletive absorption of light, acquiring intense coloration they are also capable of adhering to fibers and impossible to be removed by water. Many natural or syntetic substances used as fiber textil dyes belong to the class of the heterocyclic compounds.
%K colors
%K natural and synthetic dyes
%K fiber textil
%K heterocyclic compounds
%U http://www.deboni.he.com.br/revista3p.pdf